Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
brunnur
←
Proto-Germanic
*brunnô
(derived)
←
Old Norse
brunnr
(derived)
←
Old Norse
bruðr
(mention)
→
Icelandic
lind
(link)